Write the numeral for six hundred twenty-seven million five hundred sixty thousand two hundred forty-one by using the International System of Numeration.

In a Detroit auto show, 941027 people came on Wednesday, 960376 people came on Thursday, 778870 people came on Friday and 795219 people came on Saturday. In total, how many people visited the Detroit auto show?

Margarita cuts a piece of ^@ 28 \space m \space 31 \space cm ^@ from a roll of ^@ 287 \space m \space 67 \space cm ^@ long rope. What length of rope is left on the roll^@?^@

In order to boost production in a factory, additional workers were hired. The workers started their work at 01:10 AM and ended their work at 3:00 AM. For how long did they work?